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71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
The Open Toolkit 0.9.6 Beta -- Release notes
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[ Overview]
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This release introduces:
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* automatic OpenGL error checking;
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* generics for improved type-safety in the OpenGL bindings
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* bug fixes related to OpenGL 3.0 contexts on Linux
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* improved documentation in OpenTK.Graphics
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* a new EFX example ("EFX: Reverb").
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Please report any issues you may encounter at http://www.opentk.com.
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[API changes]
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Please note that binary compatibility is not preserved between
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beta releases.
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OpenTK 0.9.6 replaces object overloads in OpenTK.Graphics
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with generics. For example GL.CallLists changes from:
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void CallLists(int n, object data)
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to:
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void CallLists<T>(int n, ref T data) where T : struct
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void CallLists<T>(int n, T[] data) where T : struct
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void CallLists<T>(int n, T[,] data) where T : struct
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void CallLists<T>(int n, T[,,] data) where T : struct
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This change is intended to improve performance (no boxing)
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and type-safety in the OpenGL bindings.
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This is a breaking change in the following cases:
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Case: You pass parameters to the relevant function by value.
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Solution: Please pass the parameters by reference.
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Case: You use 4d or higher-dimension arrays.
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Solution: Consider reducing the dimension of the array. If
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this is not possible, please pin the array and pass a pointer
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instead.
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Case: You use jagged arrays.
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Solution: Jagged arrays are not safe for use with OpenGL.
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Please change to multi-dimension arrays.
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Case: You use objects that do not satisfy the struct constraint.
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Solution: Reference types are not safe for use with OpenGL.
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Please use pure value types instead.
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Pure value types are value types that recursively reference other
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value types only. For example, the following are pure value types:
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struct Vector3 { public float X, Y, Z; }
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struct Color4 { public float R, G, B, A; }
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struct Vertex {
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public Vector3 Position;
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public Color4 Color;
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}
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while the following are not:
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// reference type
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class Player { public Vector3 Position; }
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// value type that contains reference type
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struct Item { public Player Player; }
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Only pure value types are safe for use with OpenGL. Future OpenTK
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releases will contain additional runtime checks to enforce this
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constraint. |